1 . 如图,点
在同一条直线上,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526c436fdafa6b59bc2342a61a7f6817.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/c6b72e0c-f67e-4b58-bc7b-833581e155c0.png?resizew=205)
(1)求证:
;
(2)若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40982eb9923c2f058fbc4c2b24c39977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526c436fdafa6b59bc2342a61a7f6817.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/22/c6b72e0c-f67e-4b58-bc7b-833581e155c0.png?resizew=205)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac61f3477e623aa4f924a82bd7a06ce4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7ba51cd8d103b2af15e7186efb1fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e8c257f5615d30660cef4157c6b273.png)
您最近一年使用:0次
名校
2 .
中,D为
边中点,
,
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91f064bb73019053992fe781a53356a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f20c0125350eefaaa203a7ea5e6759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5134a79536d92537df6d160066499bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/157374bf68dbd037c6906fb346a27dd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/4da650ea-8519-414d-856a-d78acaac5585.png?resizew=199)
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3 . 滑翔是一项极限运动,有一款滑翔翼的平面图如图所示,小夏买来通过测量得到一组数据:
,
.你能帮助小夏找到一组全等的三角形并证明它吗?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db17c7685e2e752de6c9b06325d097c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68df8dee69cd2dee6e59441396120a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/ecf966e7-e413-43e7-95c0-fb1c725f8cfa.png?resizew=351)
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4 . 全等三角形是几何证明很重要的数学工具,如图所示的两个三角形中,
,
,再添加一个条件____________ 就可以判定
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958b45552f9fa1a60016483bd8246be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da8fe8f5f8a3f17561d70652ad1172a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd123a1f52dd7db2016ef8702af9c8e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/0c37721d-58a0-412d-8349-6b61108ac9ee.png?resizew=196)
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5 . 如图,
,
于点D,
,
平分
交
于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/822de9c8-6fbc-4046-90a9-154003792dac.png?resizew=195)
(1)求证:
(2)直接写出图中所有全等三角形(
除外).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d212c1709b8e72a055cf1b5381ef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/822de9c8-6fbc-4046-90a9-154003792dac.png?resizew=195)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab083b4fd82749bcf218be6131baac63.png)
(2)直接写出图中所有全等三角形(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab083b4fd82749bcf218be6131baac63.png)
您最近一年使用:0次
6 . 如图,在等边三角形
中,点
,
分别是边
,
上的点,且
,连接
,
交于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/b3cfe005-6ae3-4484-9fa7-2ab5ddece692.png?resizew=145)
(1)求证:
;
(2)若
,求
的值;
(3)若点P恰好落在以
为直径的圆上,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421291381be28da4bd16560fd383b4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/b3cfe005-6ae3-4484-9fa7-2ab5ddece692.png?resizew=145)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e238f17e8e5277a4194d78d33af1f0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d511b45c0c8b8544255dbf78bb716c61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17447cf765487d7712544bc0072f8fd2.png)
(3)若点P恰好落在以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee940049ce6026ed32c01a8d0b29905.png)
您最近一年使用:0次
2023-12-20更新
|
253次组卷
|
7卷引用:2022年浙江省杭州市滨江区一模数学试题
2022年浙江省杭州市滨江区一模数学试题2022年浙江省杭州市初中毕业升学模拟检测(一)数学试卷(已下线)专题4.10 平行线分线段成比例(培优篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(北师大版)(已下线)专题27.11 由平行线截得的比例线段(培优篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(人教版)(已下线)专题6.10 由平行判断成比例的线段(培优篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(苏科版)浙江省金华市五中等三校联盟2023-2024学年九年级上学期期中数学试题(已下线)清单14 相似图形基础(3个考点梳理+14种题型解读+提升训练)-2023-2024学年九年级数学上学期期末考点大串讲(苏科版)
7 . 下面不是全等三角形判定的基本事实的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 如图,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5f6cb95e67eb160e4a8627a81c6e7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b83407b7a590f1529162e79b8073a62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/19/a64e038f-a98c-4029-87d5-4b90da0bf8c1.png?resizew=130)
您最近一年使用:0次
9 . 如图,在长方形
中,
,点
在边
上,且
.动点
在边
上,从点
出发以
的速度向点
运动,同时,点
在边
上,以
的速度由点
向点
运动,若在运动过程中存在
与
全等的时刻,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9040c9795e7132ebf65ede1f98c4d72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12af26022e6eee7259c9f5b9d4a1767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f09251dec02dc2419a5389cca8f136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7961242231c1ac76fcb22cbe2751956c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3f10d25920f9d3077d8e3e5e006c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c495b8fd7f7bb21c177c9d50fbf6919.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc13a607ac0c7f76d252d7cb1bb040fd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/3b15efd9-326c-4f35-98be-d15061946719.png?resizew=122)
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10 . 如图,
,
,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26891f01df7816ca874413643fff81a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934a9508c176f44bf58f88715bd98f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03a43549ab71f0998fffbcb48397b00.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/18/f4398954-eb07-4113-860a-eb1146784f32.png?resizew=180)
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